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Finding the Fourth Proportional to 170,695.92, 235,640.07 and 99,062.10

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Solution

The fourth proportional to 170,695.92, 235,640.07 and 99,062.10 is: 136,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,695.92 : 235,640.07 = 99,062.10 : x
  2. Step 2: Convert to fraction form
    170,695.92/235,640.07 = 99,062.10/x
  3. Step 3: Cross multiply
    170,695.92x = 235,640.07 × 99,062.10
  4. Step 4: Simplify right side
    170,695.92x = 23,343,000,178.35
  5. Step 5: Solve for x
    x = 23,343,000,178.35/170,695.92
  6. Step 6: Final answer
    x = 136,751.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.